Pump valve



1 June 28, 1927. 1,634,141

W. R. HAMILTON PUMP VALVE v Filed March '7, 92

Patented June 28, 1927.

UNITED STATES WILLIAM R. HAMILTON, F DEWEY, OKLAHOMA.

PUMP VALVE.

Application filed March 7, 1922. Serial No. 541,812.

My invention relates to an improvement in pump valves.

This invention consists of a valve of this character having turbine wings the purpose of which is to cause the valve to rotate and prevent it from continually going straight up and down and remaining in one place all the time thereby preventing the wearing of creases or grooves in the walls of the valve seats and the burning of the face of the valve seats, this valve, on the contrary, wearing the parts regularly all around'and maintaining a perfect fit on the seat, in other words keeping the valve and valve seat continually ground to an air-tight fit which assures a perfect vacuum at all times.

In the accompanying drawings:

Figure 1 is a view in perspective of the valve,

Figure 2 is a section, and

Figure 3 is a bottom plan view.

A represents the valve and 1 the wings cast integral with one face of the valve. The wings 1 are provided with straight outer edges 2 substantially at right angles to the face 4 of the valve A. The inner edges of the wings 1 are bevelled as at 5, as indicated in Fig. 1, from the face 4 to the chisel-shaped points 3 at the outer ends of the wings. The straight or plain sides 6 of the Wings extend substantially at right angles to the surface 4 of the valve, but the opposite side 7 from said side 6 is bevelled in a substantially convex form, extending from the surface 4 to the chisel-shaped end 3 of each wing. It will be noted by referring to Fig. 3 that the wings are elongated in a radial direction and that the outer edge 2 and one side of each Wing is straight and substantially at right angles to the surface 4 of the valve whereas the inner edge 5 and opposite'side are bevelled, the latter being in a substantially convex form. The convex sides 7 formed on the corresponding wings are on the same, side of each wing as is also true of the straight slde 6.

Thewings hang downwardly and as the fluid from the pump comes up through them it causes the valves to turn just a trifle each time the pump plunger makes a stroke thereby maintaining a perfect fit of the valve surface 4 upon the seat 8.

In other words this action keeps the valve and seat continually ground to an air-tight fit insuring a perfect vacuum at all times. In this way the burring or creasing of the valve seats is absolutely prevented.

By rotating the valve in this way by means of the turbine wings it prevents the valve from continually reseating itself in the same positionor relation with straight up and down movement but on the contrary every time the valve resumes its seat it has been slightly turned by the pressure of the fluid against the beveled surface of the wings.

It is because of this action that the term turbine winged valve has been employed, that is to say because the wings are all beveled on the same side, consequently when the piston plunger of the pump is operated the fluid is-forced through the valve causing the latter to turn in the direction opposite to the beveled sides, the fluid impinging on the beveled surface simultaneously with the effect of forcing the wings aside in turning the valve.

I claim:

A valve having a plurality of wings, each of said wings being elongated in a substantial radial direction and having a plane side and an outer face substantially parallel to the axis of the valve, and the opposite side and inner face beveled and terminating in a sharp edge at the outer end, to cause the valve to turn on being engaged by a liquid, said opposite side being curved from the base to the outer end thereof in a substantially convex form. y

In testimony whereof I allix my signature.

WILLIAM R. HAMILTON. 

